/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ssusera0d5e5 https://cdn.slidesharecdn.com/profile-photo-ssusera0d5e5-48x48.jpg?cb=1523615659 ๶Äป็à¸È¨¸•à¸³à¸£à¸§à¸ˆ